HP Officejet J4550 All-in-one Glass Plate Replacement

Insert 2 fingers in the dent on the right side of the printer and pull towards the front of the printer.

Using fingers to open the cover of the scanner which located on the top of the printer.

Remove four 10mm screws on the panel with T8 torx security screwdriver.

Remove the cover of the top part.

Remove eight 10mm screws on the back of the controlling keyboard with T8 torx security screwdriver.

Remove the back board of the controlling keyboard.

Remove the controlling keyboard with hands.

Using fingers to open the back cover board of the glass plate.

Remove the 10mm screw on the right of the board with T8 torx security screwdriver.

Remove the part that is under the 10mm screw.

Remove the glass plate with hands.